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16 changes: 8 additions & 8 deletions src/pyotp/totp.py
Original file line number Diff line number Diff line change
Expand Up @@ -65,7 +65,7 @@ def now(self) -> str:
"""
return self.generate_otp(self.timecode(datetime.datetime.now()))

def verify(self, otp: str, for_time: Optional[datetime.datetime] = None, valid_window: int = 0) -> bool:
def verify(self, otp: str, for_time: Optional[datetime.datetime] = None, valid_window: Optional[int] = 0) -> bool:
"""
Verifies the OTP passed in against the current time OTP.

Expand All @@ -77,13 +77,13 @@ def verify(self, otp: str, for_time: Optional[datetime.datetime] = None, valid_w
if for_time is None:
for_time = datetime.datetime.now()

if valid_window:
for i in range(-valid_window, valid_window + 1):
if utils.strings_equal(str(otp), str(self.at(for_time, i))):
return True
return False

return utils.strings_equal(str(otp), str(self.at(for_time)))
if not valid_window:
valid_window = 0

for i in range(-valid_window, valid_window + 1):
if utils.strings_equal(str(otp), str(self.at(for_time, i))):
return True
return False

def provisioning_uri(self, name: Optional[str] = None, issuer_name: Optional[str] = None, **kwargs) -> str:
"""
Expand Down